.container {
    display: flex;
}
.reduce,.plus {
    border: 1px solid #999;
    width: 20rem;
    height: 20rem;
    border-radius: 50%;
    font-size: 24rem;
    text-align: center;
    line-height: 14rem;
}
.plus {
    background-color: yellow;
}
.count {
    font-size: 20rem;
    padding: 0 10rem;
    line-height: 20rem;
}